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<a name="1" href="#1">1</a>   <strong class="jxr_keyword">package</strong> com.googlecode.transloader.test;
<a name="2" href="#2">2</a>   
<a name="3" href="#3">3</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Array;
<a name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.InvocationHandler;
<a name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Method;
<a name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Modifier;
<a name="7" href="#7">7</a>   <strong class="jxr_keyword">import</strong> java.lang.reflect.Proxy;
<a name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> java.util.Random;
<a name="9" href="#9">9</a>   
<a name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> net.sf.cglib.proxy.Enhancer;
<a name="11" href="#11">11</a>  
<a name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.lang.exception.NestableRuntimeException;
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> org.objenesis.ObjenesisHelper;
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment">/**</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> * @author Jeremy Wales</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> */</em>
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/googlecode/transloader/test/Triangulate.html">Triangulate</a> {
<a name="19" href="#19">19</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Random RANDOM = <strong class="jxr_keyword">new</strong> Random(System.currentTimeMillis());
<a name="20" href="#20">20</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> byte[] ONE_BYTE_BUFFER = <strong class="jxr_keyword">new</strong> byte[1];
<a name="21" href="#21">21</a>  	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Method[] MY_METHODS = Triangulate.<strong class="jxr_keyword">class</strong>.getDeclaredMethods();
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  	<strong class="jxr_keyword">private</strong> <a href="../../../../com/googlecode/transloader/test/Triangulate.html">Triangulate</a>() {
<a name="24" href="#24">24</a>  	}
<a name="25" href="#25">25</a>  
<a name="26" href="#26">26</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String anyString() {
<a name="27" href="#27">27</a>  		<strong class="jxr_keyword">return</strong> anyDouble() + <span class="jxr_string">""</span>;
<a name="28" href="#28">28</a>  	}
<a name="29" href="#29">29</a>  
<a name="30" href="#30">30</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> String anyAlphaNumbericString() {
<a name="31" href="#31">31</a>  		<strong class="jxr_keyword">return</strong> Long.toHexString(anyLong());
<a name="32" href="#32">32</a>  	}
<a name="33" href="#33">33</a>  
<a name="34" href="#34">34</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> eitherBoolean() {
<a name="35" href="#35">35</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextBoolean();
<a name="36" href="#36">36</a>  	}
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> byte anyByte() {
<a name="39" href="#39">39</a>  		RANDOM.nextBytes(ONE_BYTE_BUFFER);
<a name="40" href="#40">40</a>  		<strong class="jxr_keyword">return</strong> ONE_BYTE_BUFFER[0];
<a name="41" href="#41">41</a>  	}
<a name="42" href="#42">42</a>  
<a name="43" href="#43">43</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">char</strong> anyChar() {
<a name="44" href="#44">44</a>  		<strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">char</strong>) anyByte();
<a name="45" href="#45">45</a>  	}
<a name="46" href="#46">46</a>  
<a name="47" href="#47">47</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">short</strong> anyShort() {
<a name="48" href="#48">48</a>  		<strong class="jxr_keyword">return</strong> (<strong class="jxr_keyword">short</strong>) anyByte();
<a name="49" href="#49">49</a>  	}
<a name="50" href="#50">50</a>  
<a name="51" href="#51">51</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> anyInt() {
<a name="52" href="#52">52</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextInt();
<a name="53" href="#53">53</a>  	}
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> anyIntFromZeroTo(<strong class="jxr_keyword">int</strong> upperBound) {
<a name="56" href="#56">56</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextInt(upperBound);
<a name="57" href="#57">57</a>  	}
<a name="58" href="#58">58</a>  
<a name="59" href="#59">59</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Integer anyInteger() {
<a name="60" href="#60">60</a>  		<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Integer(anyInt());
<a name="61" href="#61">61</a>  	}
<a name="62" href="#62">62</a>  
<a name="63" href="#63">63</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">long</strong> anyLong() {
<a name="64" href="#64">64</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextLong();
<a name="65" href="#65">65</a>  	}
<a name="66" href="#66">66</a>  
<a name="67" href="#67">67</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">float</strong> anyFloat() {
<a name="68" href="#68">68</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextFloat();
<a name="69" href="#69">69</a>  	}
<a name="70" href="#70">70</a>  
<a name="71" href="#71">71</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">double</strong> anyDouble() {
<a name="72" href="#72">72</a>  		<strong class="jxr_keyword">return</strong> RANDOM.nextDouble();
<a name="73" href="#73">73</a>  	}
<a name="74" href="#74">74</a>  
<a name="75" href="#75">75</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Class anyClass() {
<a name="76" href="#76">76</a>  		<strong class="jxr_keyword">return</strong> anyMethod().getReturnType();
<a name="77" href="#77">77</a>  	}
<a name="78" href="#78">78</a>  
<a name="79" href="#79">79</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Method anyMethod() {
<a name="80" href="#80">80</a>  		<strong class="jxr_keyword">return</strong> MY_METHODS[anyIntFromZeroTo(MY_METHODS.length - 1)];
<a name="81" href="#81">81</a>  	}
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>  	<strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Object anyInstanceOf(Class type) {
<a name="84" href="#84">84</a>  		<strong class="jxr_keyword">try</strong> {
<a name="85" href="#85">85</a>  			<strong class="jxr_keyword">if</strong> (type == <strong class="jxr_keyword">null</strong> || type == <strong class="jxr_keyword">void</strong>.<strong class="jxr_keyword">class</strong>) <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="86" href="#86">86</a>  			<strong class="jxr_keyword">if</strong> (type.isArray()) <strong class="jxr_keyword">return</strong> anyArrayOf(type.getComponentType());
<a name="87" href="#87">87</a>  			Object triangulatedInstance = tryToTriangulateFromThisClass(type);
<a name="88" href="#88">88</a>  			<strong class="jxr_keyword">if</strong> (triangulatedInstance != <strong class="jxr_keyword">null</strong>) <strong class="jxr_keyword">return</strong> triangulatedInstance;
<a name="89" href="#89">89</a>  			<strong class="jxr_keyword">if</strong> (type.isInterface())
<a name="90" href="#90">90</a>  				<strong class="jxr_keyword">return</strong> Proxy.newProxyInstance(Thread.currentThread().getContextClassLoader(), <strong class="jxr_keyword">new</strong> Class[] {type},
<a name="91" href="#91">91</a>  						<strong class="jxr_keyword">new</strong> <a href="../../../../com/googlecode/transloader/test/Triangulate.html">TriangulatingInvocationHandler</a>());
<a name="92" href="#92">92</a>  			<strong class="jxr_keyword">if</strong> (Modifier.isAbstract(type.getModifiers()))
<a name="93" href="#93">93</a>  				<strong class="jxr_keyword">return</strong> Enhancer.create(type, <strong class="jxr_keyword">new</strong> <a href="../../../../com/googlecode/transloader/test/Triangulate.html">TriangulatingInvocationHandler</a>());
<a name="94" href="#94">94</a>  			<strong class="jxr_keyword">return</strong> ObjenesisHelper.newInstance(type);
<a name="95" href="#95">95</a>  		} <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="96" href="#96">96</a>  			<strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NestableRuntimeException(e);
<a name="97" href="#97">97</a>  		}
<a name="98" href="#98">98</a>  	}
<a name="99" href="#99">99</a>  
<a name="100" href="#100">100</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Object anyArrayOf(Class componentType) <strong class="jxr_keyword">throws</strong> Exception {
<a name="101" href="#101">101</a> 		<strong class="jxr_keyword">int</strong> length = anyIntFromZeroTo(3);
<a name="102" href="#102">102</a> 		Object array = Array.newInstance(componentType, length);
<a name="103" href="#103">103</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; length; i++) {
<a name="104" href="#104">104</a> 			Array.set(array, i, anyInstanceOf(componentType));
<a name="105" href="#105">105</a> 		}
<a name="106" href="#106">106</a> 		<strong class="jxr_keyword">return</strong> array;
<a name="107" href="#107">107</a> 	}
<a name="108" href="#108">108</a> 
<a name="109" href="#109">109</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Object tryToTriangulateFromThisClass(Class type) <strong class="jxr_keyword">throws</strong> Exception {
<a name="110" href="#110">110</a> 		<strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; MY_METHODS.length; i++) {
<a name="111" href="#111">111</a> 			Method method = MY_METHODS[i];
<a name="112" href="#112">112</a> 			Class returnType = method.getReturnType();
<a name="113" href="#113">113</a> 			<strong class="jxr_keyword">boolean</strong> hasNoParameters = method.getParameterTypes() == <strong class="jxr_keyword">null</strong> || method.getParameterTypes().length == 0;
<a name="114" href="#114">114</a> 			<strong class="jxr_keyword">if</strong> (returnType == type &amp;&amp; hasNoParameters) {
<a name="115" href="#115">115</a> 				<strong class="jxr_keyword">return</strong> method.invoke(<strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">new</strong> Object[0]);
<a name="116" href="#116">116</a> 			}
<a name="117" href="#117">117</a> 		}
<a name="118" href="#118">118</a> 		<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="119" href="#119">119</a> 	}
<a name="120" href="#120">120</a> 
<a name="121" href="#121">121</a> 	<strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../com/googlecode/transloader/test/Triangulate.html">TriangulatingInvocationHandler</a> implements InvocationHandler,
<a name="122" href="#122">122</a> 			net.sf.cglib.proxy.InvocationHandler {
<a name="123" href="#123">123</a> 		<strong class="jxr_keyword">public</strong> Object invoke(Object proxy, Method method, Object[] args) <strong class="jxr_keyword">throws</strong> Throwable {
<a name="124" href="#124">124</a> 			<strong class="jxr_keyword">if</strong> (method.getReturnType() == Void.<strong class="jxr_keyword">class</strong>) <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="125" href="#125">125</a> 			<strong class="jxr_keyword">if</strong> (method.getName().equals(<span class="jxr_string">"equals"</span>) &amp;&amp; method.getParameterTypes().length == 1 &amp;&amp; method.getParameterTypes()[0] == Object.<strong class="jxr_keyword">class</strong>)
<a name="126" href="#126">126</a> 				<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Boolean(proxy == args[0]);
<a name="127" href="#127">127</a> 			<strong class="jxr_keyword">if</strong> (method.getName().equals(<span class="jxr_string">"hashCode"</span>) &amp;&amp; method.getParameterTypes().length == 0)
<a name="128" href="#128">128</a> 				<strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Integer(System.identityHashCode(proxy));
<a name="129" href="#129">129</a> 			<strong class="jxr_keyword">if</strong> (method.getName().equals(<span class="jxr_string">"toString"</span>) &amp;&amp; method.getParameterTypes().length == 0)
<a name="130" href="#130">130</a> 				<strong class="jxr_keyword">return</strong> TriangulatingInvocationHandler.<strong class="jxr_keyword">class</strong>.getName() + '#' + System.identityHashCode(proxy);
<a name="131" href="#131">131</a> 			<strong class="jxr_keyword">return</strong> anyInstanceOf(method.getReturnType());
<a name="132" href="#132">132</a> 		}
<a name="133" href="#133">133</a> 	}
<a name="134" href="#134">134</a> }
</pre>
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